/Engine/Source/Developer/ToolWidgets/Public/SPositiveActionButton.h
The clicked handler. Note that if this is set, the button will behave as though it were just a button. This means that OnGetMenuContent, OnComboBoxOpened and OnMenuOpenChanged will all be ignored, since there is no menu.
WidgetArgsType & OnClicked &40; const FOnClicked & InDelegate &41;